Technology plays a great part in helping to detect traces of cocaine through different advanced methods for drug testing, like using urine, blood, saliva and hair. You can detect the existence of cocaine using the following drug tests. Urine Drug Test To know how long will cocaine show in a drug test, the subject can undergo urine test. It can detect even the slightest trace of cocaine in his urine. However, this will depend on the manner of the cocaine intake. When cocaine is snorted, its detection is possible between 4-10 hours after the intake. When cocaine is injected, its detection is still possible, even after almost a day of the cocaine intake. Cocaine metabolites can still be found even after 2 and ½ days of the intake at a cut off level of 300ng. These metabolites include Benzoylecgonine, ecgonine methyl ester and coca ethylene when cocaine was taken with alcohol. The urine test is done in collecting the urine of the subject and the urine is placed directly into...